How An Edible Battery Could Power Medical Robots You Swallow
Tiny devices sent into the human body for diagnosing and treating diseases run on batteries that may contain toxic materials. Researchers have come up with a safer battery made of natural pigments.
Đọc thêm tại NPR
at August 31, 2016 at 10:18PM
Health & Science
Thứ Tư, 31 tháng 8, 2016
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